July 1989 Événements célestes

Lieu d'observation:Beijing (39.904°, 116.407°)

Aperçu des événements célestes mensuels

26 événements célestes au total, dont 4 phases lunaires et 3 événements planétaires.

Événements célestes quotidiens

Toutes les heures en heure locale (Asia/Shanghai)

Group Date Lever/Coucher du soleil Lever/Coucher de la lune Phase lunaire Événements célestes

Planetary outlook

July 1989 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -1.9
Constellation: Cancer
Angular diameter: 5.1"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Ascension droite: 07h20m55s
Déclinaison: +23°21'46"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Leo
Angular diameter: 11.4"
Status: near greatest western elongation

Observation tip: Very bright, easily visible to the naked eye; Venus is the brightest planet and is best seen at dusk or dawn

Ascension droite: 09h28m01s
Déclinaison: +16°39'49"

Mars

Excellent
Magnitude apparente: 1.8
Constellation: Leo
Angular diameter: 3.7"
Status: near western quadrature

Observation tip: Visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Ascension droite: 09h22m08s
Déclinaison: +16°39'16"

Jupiter

Excellent
Magnitude apparente: -2.0
Constellation: Gemini
Angular diameter: 32.9"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its moons are easy to spot and it is excellent for telescope observing

Ascension droite: 05h45m15s
Déclinaison: +23°02'31"

Saturn

Excellent
Magnitude apparente: 0.1
Constellation: Capricornus
Angular diameter: 18.4"
Status: near western quadrature

Observation tip: Visible to the naked eye; Saturn’s rings require a telescope to see clearly

Ascension droite: 18h42m04s
Déclinaison: -22°29'14"

Uranus

Fair
Magnitude apparente: 5.6
Constellation: Capricornus
Angular diameter: 3.8"
Status: near western quadrature

Observation tip: Binoculars are recommended; Binoculars or a telescope are recommended

Ascension droite: 18h11m07s
Déclinaison: -23°41'25"

Neptune

Fair
Magnitude apparente: 7.8
Constellation: Capricornus
Angular diameter: 2.3"
Status: near western quadrature

Observation tip: A telescope is required; A telescope is required; Neptune appears blue-green

Ascension droite: 18h46m08s
Déclinaison: -22°05'00"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Sagittarius
Angular diameter: 11800.6"
Status: Moon illumination 85.0%

Observation tip: Moon illumination 85.0%; good for observing lunar surface detail

Ascension droite: 16h16m55s
Déclinaison: -26°30'30"